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Women's Emergency Signalling Corps

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An Australian volunteer signalling school founded by Florence Violet McKenzie that trained women and military personnel in wireless communication during World War II and helped provide the foundation for the WRANS.

Last updated August 26, 2026

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Overview

The Women's Emergency Signalling Corps (WESC) was an Australian volunteer organisation and wireless-communications training school established in Sydney in 1939 by Florence Violet McKenzie. Created as the international situation deteriorated before World War II, the organisation was designed initially to teach women telegraphy and Morse code so they could fill civilian communications positions vacated by men entering military service. McKenzie, an electrical engineer and experienced teacher, also anticipated that the armed forces would require a large pool of people trained in radio signalling. The WESC began in rooms on Clarence Street in Sydney, known informally as “Sigs.” McKenzie initially focused on female trainees, and by the outbreak of war approximately 120 women had reached instructional standard. The organisation did not charge tuition and received no government grant or dedicated military accommodation. Instead, its women contributed a small weekly amount toward rent, while McKenzie treated the school as her personal contribution to the war effort. Strong demand soon produced a substantial waiting list. The organisation’s role expanded rapidly after the war began. Military recruits who lacked Morse-code skills needed instruction, and WESC-trained women became instructors for members of the Australian Army, Royal Australian Air Force, Royal Australian Navy, merchant navy and other services. The school moved from its original rooms at 9 Clarence Street to a larger former wool store at 10 Clarence Street. The premises were fitted out with radio equipment and arranged for multiple classes. Morse transmissions from the building occasionally led people nearby to suspect that an intelligence operation was being conducted. McKenzie repeatedly proposed that her trained telegraphists be employed by the Royal Australian Navy. After a Navy assessment found the trainees highly capable, the Navy authorised the entry of women into its communications organisation in April 1941. Fourteen WESC personnel subsequently travelled to Canberra and began work at the Royal Australian Navy wireless station at HMAS Harman. They were initially treated as naval personnel but technically employed as civilian workers. This group, which included Francis Proven, later recognised as WRANS number one, became the direct precursor to the Women's Royal Australian Naval Service. Formal recognition followed as wartime manpower needs intensified. In July 1942, approval was granted to establish the WRANS, and the original WESC telegraphists were offered enlistment later that year. WESC therefore served not only as a private training institution but also as a practical recruitment and skills pipeline for women's military service. McKenzie trained roughly 3,000 women, with about one-third entering the armed services. By the end of the war, the school had also trained approximately 12,000 male servicemen and recruits, including personnel associated with the Australian services, merchant shipping, the Royal Indian Navy, American forces and police organisations. The WESC was dissolved in 1954. Its historical importance rests primarily on its contribution to wartime communications training and its role in demonstrating that women could perform specialist naval signalling work. Although it was not itself a formal branch of the Australian Defence Force, its trainees and instructors helped make the creation and expansion of the WRANS possible.

History

Florence Violet McKenzie founded the Women's Emergency Signalling Corps in Sydney in 1939 as the threat of a new world war became increasingly apparent. McKenzie had technical qualifications and teaching experience, and believed that wireless communication would become strategically important. Her initial plan was to teach women telegraphy and Morse code so they could replace men in civilian communications jobs, allowing those men to enter military service. She began the organisation in rooms on Clarence Street, where it became informally known as “Sigs.” By the outbreak of war, approximately 120 women had been trained to an instructional standard. The WESC operated independently of the government and the armed services. It received no government grant or military accommodation, and McKenzie did not charge tuition. The women contributed a small weekly amount toward rent, while McKenzie regarded the school as her own contribution to the national war effort. Demand was intense: by August 1940, the school reportedly had a waiting list of hundreds of women. The organisation soon discovered that its skills were needed not only to replace men in civilian employment but also to train military personnel. Servicemen who lacked Morse-code knowledge could not always qualify for their desired duties, and WESC instructors began teaching men from the Army, Royal Australian Air Force, Royal Australian Navy and merchant navy. The operation outgrew its first premises and moved to a former wool store at 10 Clarence Street. McKenzie renovated the building, installed radio equipment and organised space for a dozen classes. The sound of Morse transmissions sometimes caused people in a neighbouring hotel to suspect that the premises were being used for espionage. McKenzie persistently lobbied the Royal Australian Navy to employ her trained telegraphists. In 1940 she offered the organisation's services to the Minister for the Navy, initially proposing that the women be accepted either as telegraphists or instructors. A senior naval communications officer visited the WESC headquarters in early 1941 and assessed the trainees. His favourable recommendation helped overcome institutional resistance to women working in naval communications. On 21 April 1941, the Navy authorised the entry of women, subject to limited publicity. On 28 April 1941, McKenzie accompanied fourteen WESC personnel to Canberra. Twelve were telegraphists and two were domestic workers. They underwent medical testing and then began work at the Royal Australian Navy wireless station at HMAS Harman. Because a separate women's naval uniform was not yet available, they wore green WESC uniforms designed by McKenzie. Francis Proven became the first member of what would later be known as the WRANS. The women were treated as naval personnel for their work but were initially civilian employees rather than formally enlisted sailors. A further nine women were recruited approximately six months later. As the Pacific War increased pressure on Australian manpower, the Navy became more willing to recruit women. Approval for a Women's Royal Australian Naval Service of 580 personnel was granted on 24 July 1942, and the original WESC telegraphists were offered enlistment on 1 October. Recruitment exceeded expectations, with more than 1,000 women joining by the end of that year. The service subsequently developed an officer structure and expanded substantially during the war. WESC remained an important training institution throughout the conflict. McKenzie trained approximately 3,000 women, around one-third of whom entered military service. The school also trained approximately 12,000 male servicemen and recruits. Its students and visiting trainees included Australian military personnel, merchant sailors, Royal Indian Navy communications ratings, American servicemen and police officers seeking the signalling standard required for aviation-related enlistment. The organisation was dissolved in 1954, but its legacy continued through the WRANS and the broader recognition of women's contribution to Australian military communications.

  • 1954

    WESC dissolved

    [1]

    The organisation ceased operations after its principal wartime training role had ended.

  • 1943

    Women's naval officer training begins

    [1]

    The expanding WRANS introduced officer training, reflecting the wider institutional impact of the women's communications programme.

  • 1942

    WRANS approved and WESC trainees offered enlistment

    [1]

    The Navy received approval to establish the Women's Royal Australian Naval Service, and the original WESC telegraphists were offered formal enlistment.

  • 1941

    First WESC telegraphists enter naval communications

    [1]

    Fourteen WESC personnel began work at HMAS Harman in Canberra on 28 April, creating the direct institutional precedent for the WRANS.

  • 1940

    Organisation expands military training

    [1]

    The school began training male servicemen and other military personnel, while McKenzie formally offered WESC-trained telegraphists to the Navy.

  • 1939

    WESC established in Sydney

    [1]

    Florence Violet McKenzie founded the volunteer signalling organisation in Clarence Street to train women in telegraphy and wireless communication.

Products and positioning

A volunteer, women-led wartime communications-training organisation that combined civilian technical education with practical support for Australian military mobilisation.

  • Vocational and military communications training · 1939

    Wireless and Morse-code instruction

    The WESC's core offering was practical instruction in Morse code, telegraphy and wireless signalling. The programme supported women preparing for communications work and military recruits who needed signalling skills before entering operational roles.

  • Instructor preparation · 1939

    Instructor training for women telegraphists

    McKenzie developed a pool of women capable of teaching others, allowing the organisation to scale beyond the capacity of its original classes. These instructors trained servicemen and helped establish a technically qualified group suitable for naval communications employment.

  • Defence and maritime training · 1939

    Military and maritime signalling courses

    During World War II, the school provided signalling instruction to personnel connected with the Australian Army, Royal Australian Air Force, Royal Australian Navy, merchant navy, Royal Indian Navy and United States forces, as well as selected police trainees.

Marketing campaigns

  • 1942WRANS recruitment drive

    Australia

    The Navy promoted recruitment into the newly approved Women's Royal Australian Naval Service, building on the skills and precedent established by WESC telegraphists.

    Outcome. More than 1,000 women enlisted by the end of 1942, exceeding the initial approved establishment.

  • 1940Offer of WESC telegraphists to the Royal Australian Navy

    Australia

    Florence Violet McKenzie approached the Navy and the Minister for the Navy to propose that WESC-trained women serve as naval telegraphists or instructors.

    Outcome. A naval assessment supported the trainees' competence, and the Navy authorised the entry of women in April 1941.

Brand decisions

  • 1942

    Support for formalisation through the WRANSStrategy

    Background

    Growing manpower shortages in the Pacific War led the Royal Australian Navy to reconsider its reluctance to formally recruit women.

    Action taken

    The Navy approved a Women's Royal Australian Naval Service and offered the original WESC telegraphists formal enlistment.

    Aftermath

    The WRANS expanded rapidly and became a significant part of the wartime naval workforce, while WESC continued supplying trained personnel.

  • 1941

    Shift from civilian instruction to direct naval supportStrategy

    Background

    The wartime demand for trained wireless operators expanded beyond the WESC's original aim of replacing men in civilian communications jobs.

    Action taken

    McKenzie offered trained women to the Navy, and fourteen WESC personnel began work at HMAS Harman as naval communications employees.

    Aftermath

    The arrangement became the immediate precursor to the WRANS, although the women were initially civilian employees rather than formally enlisted naval personnel.

Recent events

  • 1954

    Women's Emergency Signalling Corps dissolved[1]

    Other

    The volunteer signalling organisation ended operations after its wartime training and mobilisation role had concluded.

  • 1942

    Women's Royal Australian Naval Service receives approval[1]

    Other · Product launch

    The Royal Australian Navy received approval to establish a women's service, allowing the initial WESC telegraphists to enlist and prompting rapid recruitment.

  • 1941

    Royal Australian Navy accepts WESC telegraphists[1]

    Leadership change · Other

    Following a Navy assessment of the trainees, fourteen WESC personnel entered service at the naval wireless station at HMAS Harman, establishing the immediate precedent for the WRANS.

  • 1939

    Women's Emergency Signalling Corps founded in Sydney[1]

    Other

    Florence Violet McKenzie established the volunteer organisation to train women in telegraphy and prepare a communications workforce for wartime conditions.

  • 1939

    WESC begins training military personnel in wireless communications[1]

    Other

    After the outbreak of war, the organisation expanded beyond female trainees and used its women instructors to teach servicemen and other communications recruits.

Sources1 sources

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